Net PowerNPWR

13F holders, Q3 2024 (September 30)
89holders −4
15new positions
21sold out
4famous investors
$7.01avg. 13F price*

At the end of Q3 2024, 89 institutions reported holding Net Power Inc. (NPWR) in their 13F filings, down 4 from Q2 2024. 15 opened new positions and 21 sold out. The largest holders were Share Andrew L. ($69.7M), Vanguard Group Inc. ($17.8M) and Encompass Capital Advisors LLC ($17.6M). 4 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Net Power Inc.
CUSIP
64107A105
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 77Q1 2024Q2 2024: 93Q2 2024Q3 2024: 89Q3 2024Q4 2024: 112Q4 2024Q1 2025: 108Q1 2025Q2 2025: 94Q2 2025Q3 2025: 100Q3 2025Q4 2025: 114Q4 2025Q1 2026: 113Q1 2026Q2 2026: 120Q2 2026

Total Exit/New Position Q2 2024 → Q3 2024

InstitutionsTotal Value
New Positions15$2.2M
Exits21$13.1M

All 13F filers, Q2 2024 → Q3 2024: 3,019,167 shares bought and 2,191,993 shares sold, net +827,174 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 89 holders

Share Andrew L. 47.65% No change 9,937,500 $69.7M
Vanguard Group Inc. 0.00% Add +6.5% 2,532,848 $17.8M
Encompass Capital Advisors LLC 0.86% Add +20.3% 2,513,525 $17.6M
Kensico Capital Management Corp. 0.33% Reduce -0.4% 1,770,800 $12.4M
BlackRock, Inc. 0.00% — 1,491,207 $10.5M
Khrom Capital Management LLC 1.20% Add +206.5% 1,350,351 $9.5M
G.F.W. Energy XII, L.P. 98.97% No change 1,000,000 $7.0M
Summit Partners Public Asset Management, LLC 0.32% Reduce -17.0% 1,000,000 $7.0M
Cohen & Steers, Inc. 0.01% Reduce -1.8% 929,983 $6.5M
Wellington Management Group LLP 0.00% Reduce -13.4% 750,607 $5.3M
Geode Capital Management, LLC 0.00% Add +21.7% 646,584 $4.5M
Adage Capital Partners Gp, L.L.C. 0.01% Reduce -10.9% 600,000 $4.2M
Baker Hughes Holdings LLC 8.29% No change 562,672 $3.9M
Rosenbaum Jay D. 53.55% No change 500,000 $3.5M
Macquarie Group Ltd. 0.00% Reduce -2.9% 419,942 $2.9M
SIR Capital Management, L.P. 0.28% Add +321.8% 416,638 $2.9M
Marshall Wace, LLP 0.00% Reduce -29.8% 409,920 $2.9M
HITE Hedge Asset Management LLC 0.31% Add +2.6% 387,624 $2.7M
State Street Corp. 0.00% Add +11.8% 369,281 $2.6M
Citadel Advisors 0.00% Add +37.8% 317,221 $2.2M
S&co Inc. 0.12% Add +25.3% 251,905 $1.8M
Charles Schwab Investment Management Inc. 0.00% Add +24.5% 244,852 $1.7M
Berylson Capital Partners, LLC 4.17% Add +40.7% 244,850 $1.7M
Shelton Capital Management 0.04% Add +33.2% 200,500 $1.4M
Northern Trust Corp. 0.00% Add +175.8% 196,907 $1.4M
Arosa Capital Management LP 0.94% Add +20.4% 188,900 $1.3M
Morgan Stanley 0.00% Reduce -27.5% 149,864 $1.1M
Palo Duro Investment Partners, LP 0.31% No change 148,686 $1.0M
Goldman Sachs Group Inc. 0.00% Add +607.7% 113,697 $797K
ExodusPoint Capital Management, LP 0.01% New 89,025 $624K
Millennium Management 0.00% Add +168.7% 75,215 $527K
Tudor Investment Corporation 0.01% New 71,468 $501K
Connor, Clark & Lunn Investment Management Ltd. 0.00% New 56,136 $394K
Amitell Capital Pte Ltd 0.29% No change 55,118 $386K
Bank of New York Mellon Corp 0.00% Reduce -25.3% 50,276 $352K
Pickering Energy Partners LP 5.75% Add +1303.2% 43,500 $305K
Qube Research & Technologies Ltd 0.00% Reduce -64.9% 42,958 $301K
Nuveen Asset Management, LLC 0.00% No change 38,986 $273K
K2 Principal Fund, L.P. 0.12% No change 33,037 $232K
Rhumbline Advisers 0.00% Add +13.3% 32,570 $228K
Neuberger Berman Group LLC 0.00% Add +90.7% 30,704 $215K
Barclays PLC 0.00% Add +276.7% 27,883 $195K
Jane Street Group, LLC 0.00% Reduce -38.7% 24,029 $168K
AlphaQuest LLC 0.01% New 21,831 $153K
Wells Fargo & Company 0.00% Add +96.4% 21,731 $152K
Engineers Gate Manager LP 0.00% New 20,451 $143K
Bank of America Corp. 0.00% Add +12.0% 16,288 $114K
Commonwealth Equity Services, LLC 0.00% Add +6.1% 15,757 $110K
Smithfield Trust Co 0.01% No change 15,474 $109K
Citigroup Inc. 0.00% Add +224.5% 15,402 $108K
Nebula Research & Development LLC 0.01% New 15,162 $106K
Dimensional Fund Advisors LP 0.00% New 13,771 $97K
Alliancebernstein L.P. 0.00% Add +23.4% 13,400 $94K
MetLife Investment Management, LLC 0.00% Add +129.1% 12,922 $91K
LPL Financial LLC 0.00% Reduce -15.4% 12,204 $86K
Raymond James Financial Services Advisors, Inc. 0.00% Reduce -80.3% 12,088 $85K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% New 11,708 $82K
Dynamic Technology Lab Private Ltd 0.01% New 11,669 $82K
Corebridge Financial, Inc. 0.00% Reduce -0.6% 11,308 $79K
D. E. Shaw & Co. 0.00% Reduce -52.4% 11,182 $78K
Tower Research Capital LLC (TRC) 0.00% Add +13.8% 10,404 $73K
Cetera Investment Advisers 0.00% Reduce -7.2% 10,030 $70K
Perigon Wealth Management, LLC 0.00% Reduce -66.7% 10,000 $70K
Truist Financial Corp. 0.00% No change 10,000 $70K
UBS Group AG 0.00% Add +46.0% 9,752 $68K
New York State Common Retirement Fund 0.00% No change 9,600 $67K
JPMorgan Chase & Co. 0.00% Add +3.4% 9,323 $65K
Deutsche Bank AG 0.00% No change 8,622 $60K
Royal Bank of Canada 0.00% Add +55.7% 8,450 $60K
Chesapeake Asset Management LLC 0.04% No change 7,000 $49K
Group One Trading LLC 0.00% Add +3150.0% 6,500 $46K
Fifth Third Bancorp 0.00% No change 6,000 $42K
Osaic Holdings, Inc. 0.00% Reduce -15.9% 3,912 $27K
Ameritas Investment Partners, Inc. 0.00% No change 2,072 $15K
PNC Financial Services Group, Inc. 0.00% No change 2,000 $14K
Legal & General Group Plc 0.00% No change 1,838 $13K
California State Teachers Retirement System 0.00% No change 1,532 $11K
Lanark Financial, Inc. 0.00% No change 1,340 $9K
Amalgamated Bank 0.00% No change 732 $5K
FMR LLC 0.00% Reduce -69.5% 654 $5K
Farther Finance Advisors, LLC 0.00% No change 570 $4K
Aster Capital Management (DIFC) Ltd 0.00% — 532 $4K
National Bank of Canada 0.00% New 422 $3K
Bessemer Group Inc. 0.00% New 140 $1K
Cwm, LLC 0.00% New 173 $1K
Jones Financial Companies LLLP 0.00% New 100 $722
US Bancorp \de 0.00% New 87 $610
Sterling Capital Management LLC 0.00% — 67 $470
Rothschild Investment LLC 0.00% New 15 $105

"% of holder's portfolio" is NPWR's weight in each manager's 13F, not the share of Net Power Inc. the manager owns.